DE69521874T2 - Device with communicating hydraulic cylinders for the uniform distribution of the workpiece holding force in a press - Google Patents
Device with communicating hydraulic cylinders for the uniform distribution of the workpiece holding force in a pressInfo
- Publication number
- DE69521874T2 DE69521874T2 DE69521874T DE69521874T DE69521874T2 DE 69521874 T2 DE69521874 T2 DE 69521874T2 DE 69521874 T DE69521874 T DE 69521874T DE 69521874 T DE69521874 T DE 69521874T DE 69521874 T2 DE69521874 T2 DE 69521874T2
- Authority
- DE
- Germany
- Prior art keywords
- press
- hydraulic cylinders
- uniform distribution
- holding force
- workpiece holding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
- B21D24/10—Devices controlling or operating blank holders independently, or in conjunction with dies
- B21D24/12—Devices controlling or operating blank holders independently, or in conjunction with dies mechanically
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Presses And Accessory Devices Thereof (AREA)
- Control Of Presses (AREA)
- Press Drives And Press Lines (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31815194 | 1994-12-21 | ||
JP7207113A JP3060908B2 (en) | 1994-12-21 | 1995-08-14 | Press machine equalizer |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69521874D1 DE69521874D1 (en) | 2001-08-30 |
DE69521874T2 true DE69521874T2 (en) | 2002-01-03 |
Family
ID=26516073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69521874T Expired - Lifetime DE69521874T2 (en) | 1994-12-21 | 1995-11-27 | Device with communicating hydraulic cylinders for the uniform distribution of the workpiece holding force in a press |
Country Status (5)
Country | Link |
---|---|
US (1) | US5735201A (en) |
EP (1) | EP0718055B1 (en) |
JP (1) | JP3060908B2 (en) |
CA (1) | CA2163313C (en) |
DE (1) | DE69521874T2 (en) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19711207A1 (en) * | 1997-03-18 | 1998-09-24 | Schuler Pressen Gmbh & Co | Pulling device for a press |
US5941110A (en) * | 1997-05-12 | 1999-08-24 | Northern University | Adaptive method and apparatus for forming tailor welded blanks |
DE19847890C1 (en) * | 1998-10-16 | 2000-02-10 | Siempelkamp Gmbh & Co | Intermittent press in one or more levels for board prodn has groups of piston/cylinders linked to medium and low pressure vessels which have a closed nitrogen supply system to prevent or eliminate nitrogen loss |
JP4315547B2 (en) * | 1999-11-12 | 2009-08-19 | 株式会社小松製作所 | Hydraulic compensator for pressure pin equalizing device |
JP2002172500A (en) * | 2000-11-30 | 2002-06-18 | Kawasaki Hydromechanics Corp | Hydraulic control method for trial hydraulic press |
US6711984B2 (en) | 2001-05-09 | 2004-03-30 | James E. Tagge | Bi-fluid actuator |
US7243521B2 (en) * | 2002-11-14 | 2007-07-17 | Komatsu Ltd. | Cushion pin, wear plate, load supporting device, die cushion, press machine and pressing method |
DE10300630B4 (en) * | 2003-01-10 | 2005-03-24 | Daimlerchrysler Ag | Molding facility |
WO2004065112A1 (en) * | 2003-01-20 | 2004-08-05 | Kosmek Ltd. | Hydraulic system for die cushion device for press machine |
US7269949B1 (en) | 2004-09-24 | 2007-09-18 | Davor Petricio Yaksic | Synchronizing hydraulic cylinders |
US7913616B2 (en) * | 2005-06-02 | 2011-03-29 | Amada Company, Limited | Ram position detection method, ram drive method, ram drive device, and press machine having the ram drive device |
US20080060407A1 (en) * | 2006-09-08 | 2008-03-13 | Samuel Stamping Technologies | High definition door skin and method of manufacturing the same |
JP4185128B2 (en) * | 2006-09-20 | 2008-11-26 | ファナック株式会社 | Force control gain changing method and die cushion control device |
US7764076B2 (en) * | 2007-02-20 | 2010-07-27 | Centipede Systems, Inc. | Method and apparatus for aligning and/or leveling a test head |
JP5213113B2 (en) * | 2008-07-02 | 2013-06-19 | 株式会社エイチアンドエフ | Die cushion device and press machine having the same |
US8004296B2 (en) * | 2008-08-19 | 2011-08-23 | Centipede Systems, Inc. | Probe head apparatus for testing semiconductors |
JP5728906B2 (en) * | 2010-11-29 | 2015-06-03 | 株式会社Ihi | Die cushion control device |
CN102218847A (en) * | 2011-03-04 | 2011-10-19 | 南通富士通微电子股份有限公司 | Hydraulic punching machine |
CN103203871B (en) * | 2013-03-19 | 2015-05-27 | 京东方科技集团股份有限公司 | Pressing fixture |
US9816539B1 (en) | 2013-03-19 | 2017-11-14 | Davor Petricio Yaksic | Motion control |
KR101509708B1 (en) * | 2013-09-05 | 2015-04-07 | 현대자동차 주식회사 | Cushion pin device for press |
DE102013219819A1 (en) * | 2013-09-30 | 2015-04-02 | Allgaier Werke Gmbh | Device for forming a workpiece from sheet metal |
US10438919B1 (en) | 2016-06-28 | 2019-10-08 | Northrop Grumman Systems Corporation | Passive hydraulic load leveler for thermal compression bonding |
FR3061441B1 (en) * | 2017-01-04 | 2019-05-24 | Toyotomi Europe | PRESS AND PACKING INSTALLATION |
CN107442653B (en) * | 2017-08-14 | 2019-03-29 | 广东工业大学 | A kind of multistation fine blanking die and its instant balancing device of unbalance loading |
JP6646697B2 (en) * | 2018-03-05 | 2020-02-14 | アイダエンジニアリング株式会社 | Cushion pin equalization device, die cushion device with cushion pin equalization function, and cushion pin equalization method |
JP7142525B2 (en) * | 2018-09-21 | 2022-09-27 | 東洋アルミエコープロダクツ株式会社 | METHOD FOR MANUFACTURING METAL FOIL MOLDED BODY |
JP7050720B2 (en) * | 2019-05-22 | 2022-04-08 | アイダエンジニアリング株式会社 | Press load measuring device and method for press machines |
TWM593712U (en) * | 2019-07-26 | 2020-04-11 | 岡崎靜明 | Pressing machine with pressure equalizing device and pressure equalizing device |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1503131A (en) * | 1922-01-16 | 1924-07-29 | Marquette Tool & Mfg Co | Power press |
US1970134A (en) * | 1932-07-29 | 1934-08-14 | Oilgear Co | Hydraulic press |
US2300162A (en) * | 1938-05-13 | 1942-10-27 | Dominion Eng Works Ltd | Hydraulic press |
US3268220A (en) * | 1964-01-06 | 1966-08-23 | Dro Engineering Company Di | Hydraulic cushion for dies |
US3914978A (en) * | 1974-06-06 | 1975-10-28 | Vyzk Ustav Tvarecich Stroju | Lower blankholder for sheet-forming mechanical presses |
US4056965A (en) * | 1975-11-05 | 1977-11-08 | Heiser Elmer F | Press system or the like |
JPS5597819A (en) * | 1979-11-22 | 1980-07-25 | Aida Eng Ltd | Regulating circuit for cushion pressure |
US4635446A (en) * | 1981-05-15 | 1987-01-13 | Camp Dresser & Mckee | Dehumidification apparatus |
DE3170614D1 (en) * | 1981-09-12 | 1985-06-27 | Schuler Gmbh L | Deep-drawing arrangement for presses with mechanically driven drawing punch |
AU564379B2 (en) * | 1982-08-30 | 1987-08-13 | Amada Company Limited | Press-bellow with pneumatic to hydraulic control |
JPS60176821U (en) * | 1984-04-27 | 1985-11-22 | 株式会社小松製作所 | dictation device |
US4592220A (en) * | 1984-08-07 | 1986-06-03 | Rca Corporation | System and method for the in press adjustment of workpiece holding force |
DE3640787A1 (en) * | 1986-11-28 | 1988-06-01 | Schuler Gmbh L | DRAWING DEVICE FOR A PRESS |
DE3735582C1 (en) * | 1987-10-21 | 1988-04-28 | Daimler Benz Ag | Double-acting press for pulling sheet metal parts |
JPH0829367B2 (en) * | 1988-03-31 | 1996-03-27 | 株式会社小松製作所 | Pressure control device for press die cushion |
US5003807A (en) * | 1989-10-30 | 1991-04-02 | Teledyne Industries, Inc. | Press assembly and method of operation |
FR2655907B1 (en) * | 1989-12-19 | 1993-07-30 | Plazenet Jean | HYDRAULIC BENDING PRESS WITH MOBILE LOWER APRON. |
US5311910A (en) * | 1991-02-20 | 1994-05-17 | Kabushiki Kaisha Showa Seisakusho | Cap attachment structure for accumulator |
US5299444A (en) * | 1991-09-04 | 1994-04-05 | Toyota Jidosha Kabushiki Kaisha | Hydraulic cushioning system for press, having hydraulic power supply including means for adjusting initial pressure to be applied to pressure-pin cylinders |
JP2819889B2 (en) * | 1991-09-04 | 1998-11-05 | トヨタ自動車株式会社 | Press machine |
US5457980A (en) * | 1992-11-05 | 1995-10-17 | Toyota Jidosha Kabushiki Kaisha | Method and device for controlling, checking or optimizing pressure of cushion pin cylinders of press by discharging fluid or initial pressure |
JP2753675B2 (en) * | 1992-11-05 | 1998-05-20 | トヨタ自動車株式会社 | Die cushion device for press machine |
JP2689855B2 (en) * | 1993-05-25 | 1997-12-10 | トヨタ自動車株式会社 | Air pressure setting method and device for die cushion device |
-
1995
- 1995-08-14 JP JP7207113A patent/JP3060908B2/en not_active Expired - Lifetime
- 1995-11-20 CA CA002163313A patent/CA2163313C/en not_active Expired - Lifetime
- 1995-11-27 DE DE69521874T patent/DE69521874T2/en not_active Expired - Lifetime
- 1995-11-27 EP EP95118646A patent/EP0718055B1/en not_active Expired - Lifetime
- 1995-12-18 US US08/574,181 patent/US5735201A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69521874D1 (en) | 2001-08-30 |
CA2163313C (en) | 2000-03-28 |
JP3060908B2 (en) | 2000-07-10 |
EP0718055B1 (en) | 2001-07-25 |
EP0718055A1 (en) | 1996-06-26 |
CA2163313A1 (en) | 1996-06-22 |
US5735201A (en) | 1998-04-07 |
JPH08224700A (en) | 1996-09-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69521874D1 (en) | Device with communicating hydraulic cylinders for the uniform distribution of the workpiece holding force in a press | |
DE59402579D1 (en) | Method for controlling the drive of a hydraulic press and device for carrying out the method | |
DE69935266D1 (en) | In a press performed process for coating composite substrates | |
DE69736962D1 (en) | Die assembly display method in a press brake and apparatus for carrying out the method | |
DE69309610D1 (en) | Method and device for measuring and adjusting the press forces on a press | |
DE59808499D1 (en) | Device for changing the stroke amplitude of a distribution roller in a rotary printing press | |
DE59609119D1 (en) | Process for transferring printing ink and device and printing presses for carrying out the process | |
DE59507500D1 (en) | Transport device for workpieces in a press | |
DE59701622D1 (en) | Method and device for applying a flat printing plate to a cantilevered plate cylinder of a printing press | |
DE19523076C5 (en) | Device for achieving a perfect support of a printing substrate in a printing press | |
DE59304566D1 (en) | Method for placing a chambered doctor blade on an ink-emitting roller and device for carrying out the method | |
DE69400171D1 (en) | Method and apparatus for adjusting the cushion cylinder air pressure in a press in the cushion plate installation position | |
DE59806595D1 (en) | Device for regulating the web tension after a cooling device in a printing press | |
DE59803325D1 (en) | Device for cleaning a cylinder in a printing press | |
DE69210564D1 (en) | Device for adjusting the ram stroke on a press | |
DE69420716T2 (en) | DEVICE IN A HYDRAULIC PRESS | |
DE59601200D1 (en) | Device for pulling and holding a printing plate, which was removed from a plate cylinder of a rotary printing press | |
DE69318497T2 (en) | Device for loading plastic sheets in the form of a molding press | |
DE59600234D1 (en) | Cylinder with a device for clamping plates | |
DE69901198D1 (en) | Device and method for converting a workpiece in a transfer press | |
GB2275446B (en) | Process and device for the execution of worksteps in a cylinder of a printing press | |
DE59302239D1 (en) | Device for changing and adjusting a tool in the tool installation space of a press | |
DE59811192D1 (en) | Method for forming a die mold and embossing device for carrying out the method | |
DE3883191D1 (en) | DEVICE FOR ADJUSTING THE LIFT IN A PRESS. | |
DE69623878T2 (en) | Device suitable for use in a press device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |